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Is your HP DeskJet 3830 series scanner not working? Here is the solution Click here to view the instructions!
Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
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‎04-14-2023 01:01 AM

HP Recommended
Product: HP LaserJet Pro MFP M426fdw

My scanner now has a thick black bar that runs the length of a scanned document when scanning through the plate glass. When I look at the scanning rod I don't see any burned out bulbs, but it looks like something on that rod has gone bad. The printer is out of warranty so I would like to repair it by myself if possible. I'm not sure how to order the part I need or to replace the bad part. 

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2 REPLIES 2

‎04-15-2023 11:02 PM

HP Recommended

Do you get the same defect when scanning through the automatic document feeder? 

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‎04-17-2023 09:27 PM - edited ‎04-17-2023 09:28 PM

HP Recommended

Thanks for your reply. Yes, I get the same defect when scanning through the automatic document feeder, as shown below. But the black bar cuts off at the 11 inch mark instead of continuing to the 14 inch mark. (Somehow the second image got rotated. The black bar should be on the left side in both images.)

 

I spoke with HP Support and they agree it is a hardware problem. They referred me to an HP Authorized Service Provider. None of them offer repair services to individuals like me, just businesses. 

 

 

Automatic Document FeederAutomatic Document FeederGlassGlass

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